Virtual Labs

Physical Sciences Physical Pharmaceutics II Experiments

Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Determination of Angle of Repose of a Granular Material

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Intermediate

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1. If the angle of repose of a powder is found to be 35°, its flow property is:

a: Excellent Explanation

Explanation

b: Good to fair Explanation

Explanation

c: Poor Explanation

Explanation

d: Very poor Explanation

Explanation

2. When θ < 30°, the material shows:

a: Excellent flow properties Explanation

Explanation

b: Poor flow properties Explanation

Explanation

c: No flow Explanation

Explanation

d: Cohesive behavior Explanation

Explanation

3. In the virtual lab, the angle of repose is calculated using the measured values of:

a: Volume and weight Explanation

Explanation

b: Height and radius of the pile Explanation

Explanation

c: Mass and density Explanation

Explanation

d: Temperature and pressure Explanation

Explanation

4. For a given powder, increasing moisture content generally:

a: Improves flowability Explanation

Explanation

b: Reduces flowability due to cohesion Explanation

Explanation

c: Has no effect on flow Explanation

Explanation

d: Decreases interparticle friction Explanation

Explanation

5. The calculated angle of repose helps in understanding:

a: Powder flow behavior during handling and processing Explanation

Explanation

b: Chemical composition of powder Explanation

Explanation

c: Optical properties of the powder Explanation

Explanation

d: Thermal stability of the material Explanation

Explanation

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